392948080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9883}}^1$

素因数の和:9974

約数の個数: 80

約数和(自身を含む): 1058932224

約数和(自身を除く): 665984144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9883, 9940, 19766, 19880, 39532, 39760, 49415, 69181, 79064, 98830, 138362, 158128, 197660, 276724, 345905, 395320, 553448, 691810, 701693, 790640, 1106896, 1383620, 1403386, 2767240, 2806772, 3508465, 4911851, 5534480, 5613544, 7016930, 9823702, 11227088, 14033860, 19647404, 24559255, 28067720, 39294808, 49118510, 56135440, 78589616, 98237020, 196474040, 392948080]

約数ペア:

[(1, 392948080), (2, 196474040), (4, 98237020), (5, 78589616), (7, 56135440), (8, 49118510), (10, 39294808), (14, 28067720), (16, 24559255), (20, 19647404), (28, 14033860), (35, 11227088), (40, 9823702), (56, 7016930), (70, 5613544), (71, 5534480), (80, 4911851), (112, 3508465), (140, 2806772), (142, 2767240), (280, 1403386), (284, 1383620), (355, 1106896), (497, 790640), (560, 701693), (568, 691810), (710, 553448), (994, 395320), (1136, 345905), (1420, 276724), (1988, 197660), (2485, 158128), (2840, 138362), (3976, 98830), (4970, 79064), (5680, 69181), (7952, 49415), (9883, 39760), (9940, 39532), (19766, 19880)]